It is usually propagated by cuttings, which, if taken in spring, will give large blooming plants for the next winter.
Bermuda-grass is usually propagated by roots, but imported seed (said to be from Australia) is now available.
Rhubarb is usually propagated by division of the fleshy roots, small pieces of which will grow if separated from the old established roots and planted in rich mellow soil.
Usually propagated by cuttings of firm, healthy, short-jointed shoots, about three inches long.
Usually propagated by cuttings or offsets, which should be made with a sharp cut, and laid upon a sunny shelf or on dry sand until the wound is healed and roots emitted, when they should be potted in sandy soil.
Usually propagated by seeds, but layers and ripe wood cuttings may be employed.
It strikes readily from cuttings, by which it is usually propagated.
It is a hardy perennial, and is usually propagated by parting its roots in autumn; a situation moderately shady, and a soil having a mixture of bog-earth or rotten leaves in it suits it best.
It is usually propagated by cuttings, which strike readily.
The extreme brilliancy of its colours renders it a very ornamental greenhouse plant, it seldom grows above the height of two feet; in favourable seasons ripens its seeds readily, by which it is usually propagated, being a biennial.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "usually propagated" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.